Apache Flex SDK 4.16.1 Released
Apache Flex SDK 4.16.1 has been released, which adds support for the latest Flash Player and AIR runtimes and some bug fixes. Install it now, or Read More Here
Flash Player in the Browser support is ending!
Adobe, along with all the major browser vendors (Google Chrome, Mozilla Firefox, Microsoft Edge) have announced that they will no longer support the Adobe Flash Player™ runtime at the end of 2020. If you are looking to output content to the browser, you should check out our sister project Apache Royale™, which allows you to continue to use ActionScript and output native JavaScript and HTML. Apache Flex output to mobile and desktop platforms through the Adobe AIR runtime provided by Harman is still supported.The open-source framework for building expressive web and mobile applications
Licensing
Apache Flex® is completely open-source. Apache Flex® is an Apache project, and is released under the Apache License, version 2.0, so you know it is compatible with your business needs. Plus, it is backed by the Apache Community for updates, support and help.
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Desktop & Mobile Apps
Build applications that target all browsers by leveraging the Adobe Flash Player and JavaScript, make desktop application by leveraging the Adobe Integrated Runtime (Adobe AIR) or create powerful, cross-platform mobile applications that target Apple iPods, iPhones, iPads, Android based smartphones and tablets, and Blackberry Playbook devices.
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Flex Showcase
A selection of the many desktop and mobile applications written with Flex.
Proud of your Flex application? You can easily submit a request to have it shown here.
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Tooling
Utilize the tools you are already familar with. Apache Flex® utilizes MXML for layout and AS3 (an ECMAScript based language like JavaScript) for coding. Use the Eclipse-based IDEs like Adobe Flash Builder and FDT or use IntelliJ IDEA or any text editor to make your applications.
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Getting Started With Flex
A quick introduction to Apache Flex that teaches you how to download the SDK, set up your IDE or editor, and create your first "Hello World" application.
Flex API ASDoc Reference
A full listing of all classes, interfaces, methods, properties, events, styles, and effects available in Apache Flex. Includes user interface components, skins, networking services, formatters and validators, and other utilities.
Video Tutorials
Learn to create Flex applications and components with helpful video tutorials that walk you through the process. Discover a variety of videos created both by contributors to the project and by developers using Flex for real-world projects.
Apache FlexUnit Tutorial
Learn to write unit tests with Apache FlexUnit. Includes an overview of key FlexUnit and unit testing concepts, demonstrations and walkthroughs that illustrate and guide you through the process of writing tests and running them, and a summaries and reviews of all concepts covered in the tutorial.
Latest News:
Apache Flex SDK 4.16.0 Released
Apache Flex SDK 4.16.0 has been released, which adds support for the latest Flash Player and AIR runtimes, fixes nearly 40 bugs, and adds support for FontAwesome 4.7. Install it now, or Read More Here
Apache FlexJS 0.6.0 Released
Apache FlexJS 0.6.0 and Apache Flex FalconJX 0.6.0 were released. These tools allow ActionScript and Flex developers to create HTML based applications outputting to JavaScript. Install it now, or Read More Here
Apache Flex 4.15 Released
Apache Flex 4.15 was released, which adds support for the latest Flash Player and AIR Runtimes, fixes several bugs and improves speed. Install it now, or Read More Here